English verb conjugation
CAN VOICE

Regular verb: voice - voiced - voiced

Affirmation

Simple form	V-ing form
I can voice you can voice he can voice we can voice you can voice they can voice	I can be voicing you can be voicing he can be voicing we can be voicing you can be voicing they can be voicing
Perfect	V-ing perfect
I can have voiced you can have voiced he can have voiced we can have voiced you can have voiced they can have voiced	I can have been voicing you can have been voicing he can have been voicing we can have been voicing you can have been voicing they can have been voicing

Negation

Simple form	V-ing form
I cannot voice you cannot voice he cannot voice we cannot voice you cannot voice they cannot voice	I cannot be voicing you cannot be voicing he cannot be voicing we cannot be voicing you cannot be voicing they cannot be voicing
Perfect	V-ing perfect
I cannot have voiced you cannot have voiced he cannot have voiced we cannot have voiced you cannot have voiced they cannot have voiced	I cannot have been voicing you cannot have been voicing he cannot have been voicing we cannot have been voicing you cannot have been voicing they cannot have been voicing

Interrogative form

Simple form	V-ing form
can I voice? can you voice? can he voice? can we voice? can you voice? can they voice?	can I be voicing? can you be voicing? can he be voicing? can we be voicing? can you be voicing? can they be voicing?
Perfect	V-ing perfect
can I have voiced? can you have voiced? can he have voiced? can we have voiced? can you have voiced? can they have voiced?	can I have been voicing? can you have been voicing? can he have been voicing? can we have been voicing? can you have been voicing? can they have been voicing?

Interro-negative form

Simple form	V-ing form
can I not voice? can you not voice? can he not voice? can we not voice? can you not voice? can they not voice?	can I not be voicing? can you not be voicing? can he not be voicing? can we not be voicing? can you not be voicing? can they not be voicing?
Perfect	V-ing perfect
can I not have voiced? can you not have voiced? can he not have voiced? can we not have voiced? can you not have voiced? can they not have voiced?	can I not have been voicing? can you not have been voicing? can he not have been voicing? can we not have been voicing? can you not have been voicing? can they not have been voicing?